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Finding the Third Proportional to 40,908,580 and 90,897,768

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Solution

The third proportional to 40,908,580 and 90,897,768 is: 201,972,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908,580 : 90,897,768 = 90,897,768 : x
  2. Step 2: Convert to fraction form
    40,908,580/90,897,768 = 90,897,768/x
  3. Step 3: Cross multiply
    40,908,580x = 90,897,768 × 90,897,768
  4. Step 4: Simplify right side
    40,908,580x = 8,262,404,227,381,824
  5. Step 5: Solve for x
    x = 8,262,404,227,381,824/40,908,580
  6. Step 6: Final answer
    x = 201,972,403.52

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.